public class ZhaiZhiJie03 {
    public static void main(String[] args) throws Exception{
        Math1 m = new Math1();
        System.out.println("除法操作：" + m.div(10,2));
    }
}

class Math1{
    public int div(int i, int j) throws Exception{
        int temp = i / j;
        return temp;
    }
}
